<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            width: 100px;
            margin: 0 auto;
        }

        .step {
            width: 80px;
            height: 30px;
            border-radius: 8px;
            color: #fff;
            font-style: oblique;
            text-align: center;
            line-height: 30px;
        }

        .question {
            background-color: #5665CB;
            margin-bottom: 2px;
        }

        .why {

            background-color: #C48E4F;
        }

        .img {
            width: 50px;
            height: 50px;
            line-height: 40px;
            margin-left: 15px;
            text-align: center;
            font-size: 48px;
            font-weight: 100;
        }
    </style>
</head>

<body>
    <div class="box">
        <div class="question step">
            问题
        </div>
        <div class="why step">
            1-为什么?
        </div>
        <div class="img">
            ↓
        </div>
    </div>
    <div class="box">
        <div class="question step">
            1-原因
        </div>
        <div class="why step">
            2-为什么？
        </div>
        <div class="img">
            ↓
        </div>
    </div>
    <div class="box">
        <div class="question step">
            2-原因
        </div>
        <div class="why step">
            3-为什么？
        </div>
        <div class="img">
            ↓
        </div>
    </div>
    <div class="box">
        <div class="question step">
            3-原因
        </div>
        <div class="why step">
            4-为什么？
        </div>
        <div class="img">
            ↓
        </div>
    </div>
    <div class="box">
        <div class="question step">
            4-原因
        </div>
        <div class="why step">
            5-为什么？
        </div>
        <div class="img">
            ↓
        </div>
    </div>
    <div class="box">
        <div class="question step">
            5-根源
        </div>
    </div>
</body>

</html>